133276529 has 2 divisors, whose sum is σ = 133276530. Its totient is φ = 133276528.

The previous prime is 133276523. The next prime is 133276531. The reversal of 133276529 is 925672331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118222129 + 15054400 = 10873^2 + 3880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133276529 is a prime.

Together with 133276531, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 133276492 and 133276501.

It is not a weakly prime, because it can be changed into another prime (133276523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66638264 + 66638265.

It is an arithmetic number, because the mean of its divisors is an integer number (66638265).

Almost surely, 2^133276529 is an apocalyptic number.

It is an amenable number.

133276529 is a deficient number, since it is larger than the sum of its proper divisors (1).

133276529 is an equidigital number, since it uses as much as digits as its factorization.

133276529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 38.

The square root of 133276529 is about 11544.5454219731. The cubic root of 133276529 is about 510.8003951297.

The spelling of 133276529 in words is "one hundred thirty-three million, two hundred seventy-six thousand, five hundred twenty-nine".